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gen-model.c revision 1.1
      1  1.1  christos /*  This file is part of the program psim.
      2  1.1  christos 
      3  1.1  christos     Copyright (C) 1994-1995, Andrew Cagney <cagney (at) highland.com.au>
      4  1.1  christos 
      5  1.1  christos     This program is free software; you can redistribute it and/or modify
      6  1.1  christos     it under the terms of the GNU General Public License as published by
      7  1.1  christos     the Free Software Foundation; either version 3 of the License, or
      8  1.1  christos     (at your option) any later version.
      9  1.1  christos 
     10  1.1  christos     This program is distributed in the hope that it will be useful,
     11  1.1  christos     but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  1.1  christos     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13  1.1  christos     GNU General Public License for more details.
     14  1.1  christos 
     15  1.1  christos     You should have received a copy of the GNU General Public License
     16  1.1  christos     along with this program; if not, see <http://www.gnu.org/licenses/>.
     17  1.1  christos 
     18  1.1  christos     */
     19  1.1  christos 
     20  1.1  christos 
     21  1.1  christos #include "misc.h"
     22  1.1  christos #include "lf.h"
     23  1.1  christos #include "table.h"
     24  1.1  christos 
     25  1.1  christos #include "filter.h"
     26  1.1  christos 
     27  1.1  christos #include "ld-cache.h"
     28  1.1  christos #include "ld-decode.h"
     29  1.1  christos #include "ld-insn.h"
     30  1.1  christos 
     31  1.1  christos #include "gen-model.h"
     32  1.1  christos 
     33  1.1  christos #ifndef NULL
     34  1.1  christos #define NULL 0
     35  1.1  christos #endif
     36  1.1  christos 
     37  1.1  christos 
     38  1.1  christos static void
     39  1.1  christos model_c_or_h_data(insn_table *table,
     40  1.1  christos 		  lf *file,
     41  1.1  christos 		  table_entry *data)
     42  1.1  christos {
     43  1.1  christos   if (data->annex) {
     44  1.1  christos     table_entry_print_cpp_line_nr(file, data);
     45  1.1  christos     lf_print__c_code(file, data->annex);
     46  1.1  christos     lf_print__internal_reference(file);
     47  1.1  christos     lf_printf(file, "\n");
     48  1.1  christos   }
     49  1.1  christos }
     50  1.1  christos 
     51  1.1  christos static void
     52  1.1  christos model_c_or_h_function(insn_table *entry,
     53  1.1  christos 		      lf *file,
     54  1.1  christos 		      table_entry *function,
     55  1.1  christos 		      char *prefix)
     56  1.1  christos {
     57  1.1  christos   if (function->fields[function_type] == NULL
     58  1.1  christos       || function->fields[function_type][0] == '\0') {
     59  1.1  christos     error("Model function type not specified for %s", function->fields[function_name]);
     60  1.1  christos   }
     61  1.1  christos   lf_printf(file, "\n");
     62  1.1  christos   lf_print_function_type(file, function->fields[function_type], prefix, " ");
     63  1.1  christos   lf_printf(file, "%s\n(%s);\n",
     64  1.1  christos 	    function->fields[function_name],
     65  1.1  christos 	    function->fields[function_param]);
     66  1.1  christos   lf_printf(file, "\n");
     67  1.1  christos }
     68  1.1  christos 
     69  1.1  christos void
     70  1.1  christos gen_model_h(insn_table *table, lf *file)
     71  1.1  christos {
     72  1.1  christos   insn *insn_ptr;
     73  1.1  christos   model *model_ptr;
     74  1.1  christos   insn *macro;
     75  1.1  christos   char *name;
     76  1.1  christos   int model_create_p = 0;
     77  1.1  christos   int model_init_p = 0;
     78  1.1  christos   int model_halt_p = 0;
     79  1.1  christos   int model_mon_info_p = 0;
     80  1.1  christos   int model_mon_info_free_p = 0;
     81  1.1  christos 
     82  1.1  christos   for(macro = model_macros; macro; macro = macro->next) {
     83  1.1  christos     model_c_or_h_data(table, file, macro->file_entry);
     84  1.1  christos   }
     85  1.1  christos 
     86  1.1  christos   lf_printf(file, "typedef enum _model_enum {\n");
     87  1.1  christos   lf_printf(file, "  MODEL_NONE,\n");
     88  1.1  christos   for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) {
     89  1.1  christos     lf_printf(file, "  MODEL_%s,\n", model_ptr->name);
     90  1.1  christos   }
     91  1.1  christos   lf_printf(file, "  nr_models\n");
     92  1.1  christos   lf_printf(file, "} model_enum;\n");
     93  1.1  christos   lf_printf(file, "\n");
     94  1.1  christos 
     95  1.1  christos   lf_printf(file, "#define DEFAULT_MODEL MODEL_%s\n", (models) ? models->name : "NONE");
     96  1.1  christos   lf_printf(file, "\n");
     97  1.1  christos 
     98  1.1  christos   lf_printf(file, "typedef struct _model_data model_data;\n");
     99  1.1  christos   lf_printf(file, "typedef struct _model_time model_time;\n");
    100  1.1  christos   lf_printf(file, "\n");
    101  1.1  christos 
    102  1.1  christos   lf_printf(file, "extern model_enum current_model;\n");
    103  1.1  christos   lf_printf(file, "extern const char *model_name[ (int)nr_models ];\n");
    104  1.1  christos   lf_printf(file, "extern const char *const *const model_func_unit_name[ (int)nr_models ];\n");
    105  1.1  christos   lf_printf(file, "extern const model_time *const model_time_mapping[ (int)nr_models ];\n");
    106  1.1  christos   lf_printf(file, "\n");
    107  1.1  christos 
    108  1.1  christos   for(insn_ptr = model_functions; insn_ptr; insn_ptr = insn_ptr->next) {
    109  1.1  christos     model_c_or_h_function(table, file, insn_ptr->file_entry, "INLINE_MODEL");
    110  1.1  christos     name = insn_ptr->file_entry->fields[function_name];
    111  1.1  christos     if (strcmp (name, "model_create") == 0)
    112  1.1  christos       model_create_p = 1;
    113  1.1  christos     else if (strcmp (name, "model_init") == 0)
    114  1.1  christos       model_init_p = 1;
    115  1.1  christos     else if (strcmp (name, "model_halt") == 0)
    116  1.1  christos       model_halt_p = 1;
    117  1.1  christos     else if (strcmp (name, "model_mon_info") == 0)
    118  1.1  christos       model_mon_info_p = 1;
    119  1.1  christos     else if (strcmp (name, "model_mon_info_free") == 0)
    120  1.1  christos       model_mon_info_free_p = 1;
    121  1.1  christos   }
    122  1.1  christos 
    123  1.1  christos   if (!model_create_p) {
    124  1.1  christos     lf_print_function_type(file, "model_data *", "INLINE_MODEL", " ");
    125  1.1  christos     lf_printf(file, "model_create\n");
    126  1.1  christos     lf_printf(file, "(cpu *processor);\n");
    127  1.1  christos     lf_printf(file, "\n");
    128  1.1  christos   }
    129  1.1  christos 
    130  1.1  christos   if (!model_init_p) {
    131  1.1  christos     lf_print_function_type(file, "void", "INLINE_MODEL", " ");
    132  1.1  christos     lf_printf(file, "model_init\n");
    133  1.1  christos     lf_printf(file, "(model_data *model_ptr);\n");
    134  1.1  christos     lf_printf(file, "\n");
    135  1.1  christos   }
    136  1.1  christos 
    137  1.1  christos   if (!model_halt_p) {
    138  1.1  christos     lf_print_function_type(file, "void", "INLINE_MODEL", " ");
    139  1.1  christos     lf_printf(file, "model_halt\n");
    140  1.1  christos     lf_printf(file, "(model_data *model_ptr);\n");
    141  1.1  christos     lf_printf(file, "\n");
    142  1.1  christos   }
    143  1.1  christos 
    144  1.1  christos   if (!model_mon_info_p) {
    145  1.1  christos     lf_print_function_type(file, "model_print *", "INLINE_MODEL", " ");
    146  1.1  christos     lf_printf(file, "model_mon_info\n");
    147  1.1  christos     lf_printf(file, "(model_data *model_ptr);\n");
    148  1.1  christos     lf_printf(file, "\n");
    149  1.1  christos   }
    150  1.1  christos 
    151  1.1  christos   if (!model_mon_info_free_p) {
    152  1.1  christos     lf_print_function_type(file, "void", "INLINE_MODEL", " ");
    153  1.1  christos     lf_printf(file, "model_mon_info_free\n");
    154  1.1  christos     lf_printf(file, "(model_data *model_ptr,\n");
    155  1.1  christos     lf_printf(file, " model_print *info_ptr);\n");
    156  1.1  christos     lf_printf(file, "\n");
    157  1.1  christos   }
    158  1.1  christos 
    159  1.1  christos   lf_print_function_type(file, "void", "INLINE_MODEL", " ");
    160  1.1  christos   lf_printf(file, "model_set\n");
    161  1.1  christos   lf_printf(file, "(const char *name);\n");
    162  1.1  christos }
    163  1.1  christos 
    164  1.1  christos /****************************************************************/
    165  1.1  christos 
    166  1.1  christos typedef struct _model_c_passed_data model_c_passed_data;
    167  1.1  christos struct _model_c_passed_data {
    168  1.1  christos   lf *file;
    169  1.1  christos   model *model_ptr;
    170  1.1  christos };
    171  1.1  christos 
    172  1.1  christos static void
    173  1.1  christos model_c_insn(insn_table *entry,
    174  1.1  christos 	     lf *phony_file,
    175  1.1  christos 	     void *data,
    176  1.1  christos 	     insn *instruction,
    177  1.1  christos 	     int depth)
    178  1.1  christos {
    179  1.1  christos   model_c_passed_data *data_ptr = (model_c_passed_data *)data;
    180  1.1  christos   lf *file = data_ptr->file;
    181  1.1  christos   char *current_name = data_ptr->model_ptr->printable_name;
    182  1.1  christos   table_model_entry *model_ptr = instruction->file_entry->model_first;
    183  1.1  christos 
    184  1.1  christos   while (model_ptr) {
    185  1.1  christos     if (model_ptr->fields[insn_model_name] == current_name) {
    186  1.1  christos       lf_printf(file, "  { %-*s },  /* %s */\n",
    187  1.1  christos 		max_model_fields_len,
    188  1.1  christos 		model_ptr->fields[insn_model_fields],
    189  1.1  christos 		instruction->file_entry->fields[insn_name]);
    190  1.1  christos       return;
    191  1.1  christos     }
    192  1.1  christos 
    193  1.1  christos     model_ptr = model_ptr->next;
    194  1.1  christos   }
    195  1.1  christos 
    196  1.1  christos   lf_printf(file, "  { %-*s },  /* %s */\n",
    197  1.1  christos 	    max_model_fields_len,
    198  1.1  christos 	    data_ptr->model_ptr->insn_default,
    199  1.1  christos 	    instruction->file_entry->fields[insn_name]);
    200  1.1  christos }
    201  1.1  christos 
    202  1.1  christos static void
    203  1.1  christos model_c_function(insn_table *table,
    204  1.1  christos 		 lf *file,
    205  1.1  christos 		 table_entry *function,
    206  1.1  christos 		 const char *prefix)
    207  1.1  christos {
    208  1.1  christos   if (function->fields[function_type] == NULL
    209  1.1  christos       || function->fields[function_type][0] == '\0') {
    210  1.1  christos     error("Model function return type not specified for %s", function->fields[function_name]);
    211  1.1  christos   }
    212  1.1  christos   else {
    213  1.1  christos     lf_printf(file, "\n");
    214  1.1  christos     lf_print_function_type(file, function->fields[function_type], prefix, "\n");
    215  1.1  christos     lf_printf(file, "%s(%s)\n",
    216  1.1  christos 	      function->fields[function_name],
    217  1.1  christos 	      function->fields[function_param]);
    218  1.1  christos   }
    219  1.1  christos   table_entry_print_cpp_line_nr(file, function);
    220  1.1  christos   lf_printf(file, "{\n");
    221  1.1  christos   if (function->annex) {
    222  1.1  christos     lf_indent(file, +2);
    223  1.1  christos     lf_print__c_code(file, function->annex);
    224  1.1  christos     lf_indent(file, -2);
    225  1.1  christos   }
    226  1.1  christos   lf_printf(file, "}\n");
    227  1.1  christos   lf_print__internal_reference(file);
    228  1.1  christos   lf_printf(file, "\n");
    229  1.1  christos }
    230  1.1  christos 
    231  1.1  christos void
    232  1.1  christos gen_model_c(insn_table *table, lf *file)
    233  1.1  christos {
    234  1.1  christos   insn *insn_ptr;
    235  1.1  christos   model *model_ptr;
    236  1.1  christos   char *name;
    237  1.1  christos   int model_create_p = 0;
    238  1.1  christos   int model_init_p = 0;
    239  1.1  christos   int model_halt_p = 0;
    240  1.1  christos   int model_mon_info_p = 0;
    241  1.1  christos   int model_mon_info_free_p = 0;
    242  1.1  christos 
    243  1.1  christos   lf_printf(file, "\n");
    244  1.1  christos   lf_printf(file, "#include \"cpu.h\"\n");
    245  1.1  christos   lf_printf(file, "#include \"mon.h\"\n");
    246  1.1  christos   lf_printf(file, "\n");
    247  1.1  christos   lf_printf(file, "#ifdef HAVE_STDLIB_H\n");
    248  1.1  christos   lf_printf(file, "#include <stdlib.h>\n");
    249  1.1  christos   lf_printf(file, "#endif\n");
    250  1.1  christos   lf_printf(file, "\n");
    251  1.1  christos 
    252  1.1  christos   for(insn_ptr = model_data; insn_ptr; insn_ptr = insn_ptr->next) {
    253  1.1  christos     model_c_or_h_data(table, file, insn_ptr->file_entry);
    254  1.1  christos   }
    255  1.1  christos 
    256  1.1  christos   for(insn_ptr = model_static; insn_ptr; insn_ptr = insn_ptr->next) {
    257  1.1  christos     model_c_or_h_function(table, file, insn_ptr->file_entry, "/*h*/STATIC");
    258  1.1  christos   }
    259  1.1  christos 
    260  1.1  christos   for(insn_ptr = model_internal; insn_ptr; insn_ptr = insn_ptr->next) {
    261  1.1  christos     model_c_or_h_function(table, file, insn_ptr->file_entry, "STATIC_INLINE_MODEL");
    262  1.1  christos   }
    263  1.1  christos 
    264  1.1  christos   for(insn_ptr = model_static; insn_ptr; insn_ptr = insn_ptr->next) {
    265  1.1  christos     model_c_function(table, file, insn_ptr->file_entry, "/*c*/STATIC");
    266  1.1  christos   }
    267  1.1  christos 
    268  1.1  christos   for(insn_ptr = model_internal; insn_ptr; insn_ptr = insn_ptr->next) {
    269  1.1  christos     model_c_function(table, file, insn_ptr->file_entry, "STATIC_INLINE_MODEL");
    270  1.1  christos   }
    271  1.1  christos 
    272  1.1  christos   for(insn_ptr = model_functions; insn_ptr; insn_ptr = insn_ptr->next) {
    273  1.1  christos     model_c_function(table, file, insn_ptr->file_entry, "INLINE_MODEL");
    274  1.1  christos     name = insn_ptr->file_entry->fields[function_name];
    275  1.1  christos     if (strcmp (name, "model_create") == 0)
    276  1.1  christos       model_create_p = 1;
    277  1.1  christos     else if (strcmp (name, "model_init") == 0)
    278  1.1  christos       model_init_p = 1;
    279  1.1  christos     else if (strcmp (name, "model_halt") == 0)
    280  1.1  christos       model_halt_p = 1;
    281  1.1  christos     else if (strcmp (name, "model_mon_info") == 0)
    282  1.1  christos       model_mon_info_p = 1;
    283  1.1  christos     else if (strcmp (name, "model_mon_info_free") == 0)
    284  1.1  christos       model_mon_info_free_p = 1;
    285  1.1  christos   }
    286  1.1  christos 
    287  1.1  christos   if (!model_create_p) {
    288  1.1  christos     lf_print_function_type(file, "model_data *", "INLINE_MODEL", "\n");
    289  1.1  christos     lf_printf(file, "model_create(cpu *processor)\n");
    290  1.1  christos     lf_printf(file, "{\n");
    291  1.1  christos     lf_printf(file, "  return (model_data *)0;\n");
    292  1.1  christos     lf_printf(file, "}\n");
    293  1.1  christos     lf_printf(file, "\n");
    294  1.1  christos   }
    295  1.1  christos 
    296  1.1  christos   if (!model_init_p) {
    297  1.1  christos     lf_print_function_type(file, "void", "INLINE_MODEL", "\n");
    298  1.1  christos     lf_printf(file, "model_init(model_data *model_ptr)\n");
    299  1.1  christos     lf_printf(file, "{\n");
    300  1.1  christos     lf_printf(file, "}\n");
    301  1.1  christos     lf_printf(file, "\n");
    302  1.1  christos   }
    303  1.1  christos 
    304  1.1  christos   if (!model_halt_p) {
    305  1.1  christos     lf_print_function_type(file, "void", "INLINE_MODEL", "\n");
    306  1.1  christos     lf_printf(file, "model_halt(model_data *model_ptr)\n");
    307  1.1  christos     lf_printf(file, "{\n");
    308  1.1  christos     lf_printf(file, "}\n");
    309  1.1  christos     lf_printf(file, "\n");
    310  1.1  christos   }
    311  1.1  christos 
    312  1.1  christos   if (!model_mon_info_p) {
    313  1.1  christos     lf_print_function_type(file, "model_print *", "INLINE_MODEL", "\n");
    314  1.1  christos     lf_printf(file, "model_mon_info(model_data *model_ptr)\n");
    315  1.1  christos     lf_printf(file, "{\n");
    316  1.1  christos     lf_printf(file, "  return (model_print *)0;\n");
    317  1.1  christos     lf_printf(file, "}\n");
    318  1.1  christos     lf_printf(file, "\n");
    319  1.1  christos   }
    320  1.1  christos 
    321  1.1  christos   if (!model_mon_info_free_p) {
    322  1.1  christos     lf_print_function_type(file, "void", "INLINE_MODEL", "\n");
    323  1.1  christos     lf_printf(file, "model_mon_info_free(model_data *model_ptr,\n");
    324  1.1  christos     lf_printf(file, "                    model_print *info_ptr)\n");
    325  1.1  christos     lf_printf(file, "{\n");
    326  1.1  christos     lf_printf(file, "}\n");
    327  1.1  christos     lf_printf(file, "\n");
    328  1.1  christos   }
    329  1.1  christos 
    330  1.1  christos   lf_printf(file, "/* Insn functional unit info */\n");
    331  1.1  christos   for(model_ptr = models; model_ptr; model_ptr = model_ptr->next) {
    332  1.1  christos     model_c_passed_data data;
    333  1.1  christos 
    334  1.1  christos     lf_printf(file, "static const model_time model_time_%s[] = {\n", model_ptr->name);
    335  1.1  christos     data.file = file;
    336  1.1  christos     data.model_ptr = model_ptr;
    337  1.1  christos     insn_table_traverse_insn(table,
    338  1.1  christos 			     NULL, (void *)&data,
    339  1.1  christos 			     model_c_insn);
    340  1.1  christos 
    341  1.1  christos     lf_printf(file, "};\n");
    342  1.1  christos     lf_printf(file, "\n");
    343  1.1  christos     lf_printf(file, "\f\n");
    344  1.1  christos   }
    345  1.1  christos 
    346  1.1  christos   lf_printf(file, "#ifndef _INLINE_C_\n");
    347  1.1  christos   lf_printf(file, "const model_time *const model_time_mapping[ (int)nr_models ] = {\n");
    348  1.1  christos   lf_printf(file, "  (const model_time *const)0,\n");
    349  1.1  christos   for(model_ptr = models; model_ptr; model_ptr = model_ptr->next) {
    350  1.1  christos     lf_printf(file, "  model_time_%s,\n", model_ptr->name);
    351  1.1  christos   }
    352  1.1  christos   lf_printf(file, "};\n");
    353  1.1  christos   lf_printf(file, "#endif\n");
    354  1.1  christos   lf_printf(file, "\n");
    355  1.1  christos 
    356  1.1  christos   lf_printf(file, "\f\n");
    357  1.1  christos   lf_printf(file, "/* map model enumeration into printable string */\n");
    358  1.1  christos   lf_printf(file, "#ifndef _INLINE_C_\n");
    359  1.1  christos   lf_printf(file, "const char *model_name[ (int)nr_models ] = {\n");
    360  1.1  christos   lf_printf(file, "  \"NONE\",\n");
    361  1.1  christos   for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) {
    362  1.1  christos     lf_printf(file, "  \"%s\",\n", model_ptr->printable_name);
    363  1.1  christos   }
    364  1.1  christos   lf_printf(file, "};\n");
    365  1.1  christos   lf_printf(file, "#endif\n");
    366  1.1  christos   lf_printf(file, "\n");
    367  1.1  christos 
    368  1.1  christos   lf_print_function_type(file, "void", "INLINE_MODEL", "\n");
    369  1.1  christos   lf_printf(file, "model_set(const char *name)\n");
    370  1.1  christos   lf_printf(file, "{\n");
    371  1.1  christos   if (models) {
    372  1.1  christos     lf_printf(file, "  model_enum model;\n");
    373  1.1  christos     lf_printf(file, "  for(model = MODEL_%s; model < nr_models; model++) {\n", models->name);
    374  1.1  christos     lf_printf(file, "    if(strcmp(name, model_name[model]) == 0) {\n");
    375  1.1  christos     lf_printf(file, "      current_model = model;\n");
    376  1.1  christos     lf_printf(file, "      return;\n");
    377  1.1  christos     lf_printf(file, "    }\n");
    378  1.1  christos     lf_printf(file, "  }\n");
    379  1.1  christos     lf_printf(file, "\n");
    380  1.1  christos     lf_printf(file, "  error(\"Unknown model '%%s', Models which are known are:%%s\\n\",\n");
    381  1.1  christos     lf_printf(file, "        name,\n");
    382  1.1  christos     lf_printf(file, "        \"");
    383  1.1  christos     for(model_ptr = models; model_ptr; model_ptr = model_ptr->next) {
    384  1.1  christos       lf_printf(file, "\\n\\t%s", model_ptr->printable_name);
    385  1.1  christos     }
    386  1.1  christos     lf_printf(file, "\");\n");
    387  1.1  christos   } else {
    388  1.1  christos     lf_printf(file, "  error(\"No models are currently known about\");\n");
    389  1.1  christos   }
    390  1.1  christos 
    391  1.1  christos   lf_printf(file, "}\n");
    392  1.1  christos }
    393  1.1  christos 
    394